Welding is an essential process in the product development scope of many industries. It is used to join two or more pieces of metal together, often using extreme heat to melt the metals and fuse them together. Welding can be performed using a variety of techniques, including arc welding, gas welding, and spot welding. Each technique has its own advantages and disadvantages, so it is important to select the right method for the application at hand. In addition to product development, welding is also used extensively in repair and maintenance work. When done properly, welding can provide a strong and durable bond that will last for years. With this in mind, it is clear that welding is a critical process with a wide range of applications.